Cheapest return flights from Athens to Ljubljana in September from 144€

AirHint found the following cheapest return flights from Athens (ATH) to Ljubljana (LJU) in September 2026 (see full year).

Return flights

26 Sep - 29 Sep Air Serbia
04 Sep - 06 Sep Air Serbia
22 Sep - 25 Sep Air Serbia
08 Sep - 11 Sep Air Serbia
01 Sep - 04 Sep Air Serbia
27 Sep - 02 Oct Air Serbia
29 Sep - 02 Oct Air Serbia
05 Sep - 12 Sep Air Serbia
08 Sep - 13 Sep Air Serbia
10 Sep - 15 Sep Air Serbia
11 Sep - 13 Sep Air Serbia
25 Sep - 30 Sep Air Serbia
27 Sep - 02 Oct Aegean Airlines direct
29 Sep - 02 Oct Aegean Airlines direct

Also check the deals for one-way flights from Athens to Ljubljana in September.

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